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03-31-2018, 12:23 PM
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#1 |
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Registered User
Join Date: Jan 2015
Location: Great Bend Ks
Posts: 9
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Exhaust Size
I installed LS in my 71 LWB and need to put exhaust on. The muffler shop warned me of installing 2.5" pipes due to loss of torque, they recommend 2.25" pipe. Engine is fresh rebuild with GM hot cam and decent tune. Also flowmaster 40's exiting out the rear. Any input on loss of torque with larger pipes? Thanks
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1971 LWB LS/350 Factory A/C 2002 GMC 2500HD 8.1 2005 Silverado BDS 6.5 with 35's 2012 Chevy Tahoe |
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